Answer:
1. The test was so difficult, nobody got everything right.
2. Harry was used to being by himself in the old house, he wasn't worried.
3. Sara was much to scared to stay after it got dark.
4. Manu listened, interested to the local politician's interview.
5. There was barely any space on the shelf, so i just couldn't put the book their.
6. My grandmother always preferred her laptop, she never used the tablet.